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marți, 27 ianuarie 2015

Brain Scans Show The Real Impact Love Has On A Child’s Brain

"You comfort them over a skinned knee in the playground, and coax them
to sleep with a soothing lullaby. But being a nurturing mother is not
just about emotional care – it pays dividends by determining the size of
your child’s brain, scientists say.Shocking:
According to neurologists the sizeable difference between these two
brains has one primary cause – the way were treated by their mothers
Both of these images are brain scans of a two three-year-old
children, but the brain on the left is considerably larger, has fewer
spots and less dark areas, compared to the one on the right.
According to neurologists this sizeable difference has one primary cause – the way each child was treated by their mothers.
But the child with the shrunken brain was the victim of severe neglect and abuse.
Babies’ brains grow and develop as they interact with their environment and learn how to function within it.
When babies’ cries bring food or comfort, they are strengthening the
neuronal pathways that help them learn how to get their needs met, both
physically and emotionally. But babies who do not get responses to their
cries, and babies whose cries are met with abuse, learn different
lessons.
The neuronal pathways that are developed and strengthened under
negative conditions prepare children to cope in that negative
environment, and their ability to respond to nurturing and kindness may
be impaired.According to research reported by
the newspaper, the brain on the right in the image above worryingly
lacks some of the most fundamental areas present in the image on the
left.
The consequences of these deficits are pronounced – the child on the
left with the larger brain will be more intelligent and more likely to
develop the social ability to empathise with others.

This type of severe, global neglect can have devastating
consequences. The extreme lack of stimulation may result in fewer
neuronal pathways available for learning.
The lack of opportunity to form an attachment with a nurturing
caregiver during infancy may mean that some of these children will
always have difficulties forming meaningful relationships with others.
But studies have also found that time played a factor–children who were
adopted as young infants have shown more recovery than children who were
adopted as toddlers.
But in contrast, the child with the shrunken brain will be more
likely to become addicted to drugs and involved in violent crimes, much
more likely to be unemployed and to be dependent on state benefits.
The child is also more likely to develop mental and other serious health problems.
Some of the specific long-term effects of abuse and neglect on the developing brain can include:

Diminished growth in the left hemisphere, which may increase the risk for depression

Irritability in the limbic system, setting the stage for the emergence of panic disorder and posttraumatic stress disorder

Smaller growth in the hippocampus and limbic abnormalities, which
can increase the risk for dissociative disorders and memory impairments

Impairment in the connection between the two brain hemispheres,
which has been linked to symptoms of attention-deficit/hyperactivity
disorder

Professor Allan Schore, of UCLA, told The Sunday Telegraph that if a
baby is not treated properly in the first two years of life, it can have
a fundamental impact on development.
He pointed out that the genes for several aspects of brain function, including intelligence, cannot function.
And sadly there is a chance they may never develop and come into existence.
These has concerning implications for neglected children that are taken into care past the age of two.
It also seems that the more severe the mother’s neglect, the more pronounced the damage can be.
The images also have worrying consequences for the childhood neglect
cycle – often parents who, because their parents neglected them, do not
have fully developed brains, neglect their own children in a similar
way.
But research in the U.S. has shown the cycle can be successfully
broken if early intervention is staged and families are supported.
The study correlates with research released earlier this year that
found that children who are given love and affection from their mothers
early in life are smarter with a better ability to learn.
The experiences of infancy and early childhood provide the organizing
framework for the expression of children’s intelligence, emotions, and
personalities.
When those experiences are primarily negative, children may develop
emotional, behavioral, and learning problems that persist throughout
their lifetime, especially in the absence of targeted interventions.
The study by child psychiatrists and neuroscientists at Washington
University School of Medicine in St. Louis, found school-aged children
whose mothers nurtured them early in life have brains with a larger
hippocampus, a key structure important to learning, memory and response
to stress.
The research was the first to show that changes in this critical
region of children’s brain anatomy are linked to a mother’s nurturing, Neurosciencenews.com reports.
The research is published online in the Proceedings of the National Academy of Sciences Early Edition.
Lead author Joan L. Luby, MD, professor of child psychiatry, said the
study reinforces how important nurturing parents are to a child’s
development."